Home / 277,422,341.76-382,838,042.88-153,660,362.40

Finding the Fourth Proportional to 277,422,341.76, 382,838,042.88 and 153,660,362.40

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Solution

The fourth proportional to 277,422,341.76, 382,838,042.88 and 153,660,362.40 is: 212,048,647.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,422,341.76 : 382,838,042.88 = 153,660,362.40 : x
  2. Step 2: Convert to fraction form
    277,422,341.76/382,838,042.88 = 153,660,362.40/x
  3. Step 3: Cross multiply
    277,422,341.76x = 382,838,042.88 × 153,660,362.40
  4. Step 4: Simplify right side
    277,422,341.76x = 58,827,032,409,447,544
  5. Step 5: Solve for x
    x = 58,827,032,409,447,544/277,422,341.76
  6. Step 6: Final answer
    x = 212,048,647.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.